🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.8

Radius: 11

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.58 AU - 0.68 AU

Year: 345 Days

Day: 14.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 36,475,983 km

• M1: 139,575 km (0.12 R)
• M2: 618,587 km (0.107 R)
• M3: 1,355,058 km (0.039 R)
• M4: 1,760,318 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.4

Radius: 14.8

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.56 AU - 0.84 AU

Year: 404 Days

Day: 8.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 36,475,983 km

• M1: 184,305 km (0.086 R)
• M2: 739,313 km (0.083 R)
• M3: 1,295,667 km (0.104 R)
• M4: 1,904,979 km (0.087 R)
• M5: 3,640,763 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.2

Radius: 11.3

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.88 AU - 1.18 AU

Year: 722 Days

Day: 10.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,475,983 km

• M1: 142,417 km (0.039 R)
• M2: 537,655 km (0.111 R)
• M3: 1,156,541 km (0.053 R)
• M4: 1,772,286 km (0.115 R)
• M5: 2,236,039 km (0.108 R)
• M6: 2,733,602 km (0.106 R)
• M7: 3,122,556 km (0.061 R)
• M8: 3,604,561 km (0.112 R)
• M9: 4,276,704 km (0.059 R)
• M10: 4,685,256 km (0.116 R)
• M11: 5,524,201 km (0.115 R)
• M12: 7,453,265 km (0.055 R)
• M13: 8,468,885 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.1

Radius: 14.6

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.21 AU - 1.27 AU

Year: 953 Days

Day: 7.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,475,983 km

• M1: 181,612 km (0.116 R)
• M2: 638,783 km (0.054 R)
• M3: 1,095,056 km (0.108 R)
• M4: 1,617,452 km (0.089 R)
• M5: 2,718,642 km (0.075 R)
• M6: 3,959,856 km (0.103 R)
• M7: 5,155,143 km (0.077 R)
• M8: 5,968,506 km (0.042 R)
• M9: 6,776,933 km (0.113 R)
• M10: 7,537,190 km (0.112 R)
• M11: 8,050,310 km (0.111 R)
• M12: 8,744,145 km (0.094 R)
• M13: 9,421,973 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.8

Radius: 14.1

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.09 AU - 1.61 AU

Year: 1083 Days

Day: 10.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,475,983 km

• M1: 175,478 km (0.059 R)
• M2: 717,172 km (0.087 R)
• M3: 1,286,242 km (0.104 R)
• M4: 1,819,858 km (0.102 R)
• M5: 2,562,612 km (0.036 R)
• M6: 3,688,635 km (0.116 R)
• M7: 5,575,662 km (0.11 R)
• M8: 6,191,407 km (0.09 R)
• M9: 7,200,146 km (0.075 R)
• M10: 7,877,824 km (0.044 R)
• M11: 8,399,771 km (0.095 R)
• M12: 9,003,398 km (0.105 R)
• M13: 9,728,649 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.2

Radius: 14.8

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.09 AU - 2.71 AU

Year: 2566 Days

Day: 13.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,475,983 km

• M1: 184,005 km (0.106 R)
• M2: 766,539 km (0.115 R)
• M3: 1,336,956 km (0.067 R)
• M4: 1,985,164 km (0.054 R)
• M5: 3,175,065 km (0.043 R)
• M6: 3,757,599 km (0.107 R)
• M7: 4,559,444 km (0.099 R)
• M8: 5,448,803 km (0.118 R)
• M9: 7,098,120 km (0.092 R)
• M10: 7,757,098 km (0.083 R)
• M11: 9,372,606 km (0.08 R)
• M12: 9,982,516 km (0.103 R)
• M13: 10,695,500 km (0.053 R)
• M14: 15,610,987 km (0.115 R)
• M15: 18,782,761 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.3

Radius: 10

Gravity: 9.35 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.22 AU - 3.76 AU

Year: 4500 Days

Day: 10.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 36,475,983 km

• M1: 124,316 km (0.053 R)
• M2: 437,873 km (0.072 R)
• M3: 1,304,194 km (0.101 R)
• M4: 2,055,924 km (0.114 R)
• M5: 2,379,803 km (0.072 R)
• M6: 2,702,336 km (0.075 R)
• M7: 3,231,613 km (0.097 R)
• M8: 3,783,779 km (0.091 R)
• M9: 4,177,969 km (0.063 R)
• M10: 4,548,523 km (0.088 R)
• M11: 4,887,362 km (0.062 R)
• M12: 5,499,517 km (0.055 R)
• M13: 5,945,468 km (0.049 R)
• M14: 8,470,830 km (0.063 R)
• M15: 9,991,043 km (0.117 R)
• M16: 10,342,449 km (0.037 R)
• M17: 10,656,604 km (0.106 R)
• M18: 12,026,622 km (0.071 R)
• M19: 12,474,817 km (0.06 R)
• M20: 16,350,299 km (0.074 R)
• M21: 16,715,767 km (0.118 R)
• M22: 23,796,234 km (0.071 R)
• M23: 24,901,912 km (0.111 R)
• M24: 27,386,284 km (0.098 R)
• M25: 29,309,963 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.1

Radius: 8.9

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 4.34 AU - 6.36 AU

Year: 8542 Days

Day: 6.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 36,475,983 km

• M1: 110,702 km (0.102 R)
• M2: 414,835 km (0.063 R)
• M3: 753,824 km (0.073 R)
• M4: 1,054,815 km (0.1 R)
• M5: 1,662,780 km (0.108 R)
• M6: 2,918,954 km (0.099 R)
• M7: 3,539,486 km (0.078 R)
• M8: 4,435,427 km (0.093 R)
• M9: 5,443,567 km (0.117 R)
• M10: 5,767,297 km (0.108 R)
• M11: 6,312,133 km (0.113 R)
• M12: 6,706,323 km (0.089 R)
• M13: 7,947,387 km (0.068 R)
• M14: 8,535,905 km (0.113 R)
• M15: 10,726,018 km (0.102 R)
• M16: 12,471,376 km (0.105 R)
• M17: 16,248,573 km (0.106 R)
• M18: 20,030,556 km (0.108 R)
• M19: 20,492,515 km (0.113 R)
• M20: 22,084,236 km (0.058 R)
• M21: 22,826,690 km (0.099 R)
• M22: 27,446,123 km (0.071 R)
• M23: 29,377,282 km (0.029 R)
• M24: 30,073,959 km (0.069 R)
• M25: 32,758,792 km (0.106 R)
• M26: 36,964,287 km (0.078 R)
• M27: 39,195,989 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 74.6

Radius: 7

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 8.84 AU - 10.1 AU

Year: 20116 Days

Day: 22.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,475,983 km

• M1: 143,913 km (0.095 R)
• M2: 628,760 km (0.113 R)
• M3: 885,919 km (0.064 R)
• M4: 1,756,728 km (0.09 R)
• M5: 2,540,321 km (0.11 R)
• M6: 4,971,137 km (0.117 R)
• M7: 6,511,846 km (0.066 R)
• M8: 9,581,594 km (0.039 R)
• M9: 10,501,172 km (0.067 R)
• M10: 11,528,910 km (0.051 R)
• M11: 13,332,461 km (0.083 R)
• M12: 13,839,598 km (0.062 R)
• M13: 18,164,772 km (0.067 R)
• M14: 19,140,599 km (0.106 R)
• M15: 20,594,391 km (0.082 R)
• M16: 25,139,623 km (0.075 R)
• M17: 28,793,850 km (0.099 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 244 - 15,844 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit